Usain Bolt, is a Jamaican sprinter who has been called the “fastest person alive.”He is the first man to hold both the 100- and 200-meter world records since fully automatic time measurements became mandatory in 1977. Along with his teammates, he also set the world record in the 4×100-meter relay. He is the reigning Olympic champion in these three events, the first man to win six Olympic gold medals in sprinting, and a five-time World champion.